82719268 has 6 divisors (see below), whose sum is σ = 144758726. Its totient is φ = 41359632.

The previous prime is 82719257. The next prime is 82719269. The reversal of 82719268 is 86291728.

It can be written as a sum of positive squares in only one way, i.e., 64673764 + 18045504 = 8042^2 + 4248^2 .

It is not an unprimeable number, because it can be changed into a prime (82719269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10339905 + ... + 10339912.

Almost surely, 2^82719268 is an apocalyptic number.

It is an amenable number.

82719268 is a deficient number, since it is larger than the sum of its proper divisors (62039458).

82719268 is a wasteful number, since it uses less digits than its factorization.

82719268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20679821 (or 20679819 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 82719268 is about 9095.0133589786. The cubic root of 82719268 is about 435.7147153168.

The spelling of 82719268 in words is "eighty-two million, seven hundred nineteen thousand, two hundred sixty-eight".